The Queen and Prince Philp celebrated their 25th wedding anniversary in 1972 with a series of celebrations, including a carriage procession and a service of thanksgiving in St Paul's Cathedral.

:: June 1977: Silver Jubilee

Image:(L-R) Earl Mountbatten of Burma, the Queen and the Duke of Edinburgh after the Silver Jubilee procession

The Queen marked 25 years on the throne with parties and parades throughout the UK and the Commonwealth - culminating in June with the official "Jubilee Days" which coincided with the Queen's official birthday.

:: July 1981: Prince Charles and Diana's wedding

Image:The Royal family celebrating the marriage of Diana and Prince Charles

The marriage of Prince Charles and the 20-year-old Lady Diana Spencer took place at St Paul's Cathedral - and was televised globally.

:: June 1982: Prince William's birth

Image:Prince William was christened at Buckingham Palace in August 1982

The Queen's third grandchild, and second in line to the throne, was born in June 1982 and was christened in the Music Room of Buckingham Palace in August, surrounded by family.

Diana's death plunged the nation into mourning - and the Royal family into deep crisis as the Queen's response was seen by many as out of step with the mood of the country.

The Queen returned from Balmoral to London to view tens of thousands of tributes left for Diana at Kensington Palace.

:: November 2007: Diamond anniversary

Image:The Queen and the Duke of Edinburgh on their diamond wedding anniversary

The Queen and Prince Philip celebrated 60 years of marriage with a service at Westminster Abbey which included a reading from Prince William and Dame Judi Dench.

:: April 2011: The Duke and Duchess of Cambridge's wedding

Image:The Duke and Duchess of Cambridge's wedding ushered in a new generations of Royals

The Queen and Prince Philip celebrated the marriage of their grandson, Prince William, at Westminster Abbey in 2011 after he proposed to Kate Middleton in Kenya - where the Queen found out she was to take the throne 59-years earlier.

:: May 2012: Diamond Jubilee

Image:The Queen celebrates her Diamond Jubilee with a boat procession down the Thames

The UK and Commonwealth nations celebrated the Queen's 60 years on the throne with commemorative events, including the Thames Diamond Jubilee Pageant which involved 670 boats sailing down the River Thames through London.

:: February 2017: Sapphire Jubilee

Image:The Queen is the longest-serving monarch in the world

Queen Elizabeth II marked 65-years of her reign in 2017 with a gun salute at the Tower of London and several other places around the UK, and the ringing of bells in Westminster Abbey.

She is the first British monarch to celebrate a Sapphire Jubilee and is the longest-reigning living monarch, following the death of Thailand's King Bhumibol Adulyadej in 2016 after 70 years and four months on the throne.